<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>函数eval isFinte parseInt parseFloat</title>
		<script type="text/javascript">
			var a="go to javascript";
			eval("x=3;y=4;document.write(x*y)");
			document.write(eval("a"));
			document.write(isFinite(19));
		</script>
	</head>
	<body>
	<script>
	document.write('parseInt parseFloat用escape编码为'+escape("parseInt parseFloat"));
	</script>
	</body>
</html>
